Community runtime settings
Use this page to browse the current setting inventory by functional area.
Community environment variables
Settings inventory for the variables currently exposed by Community server deployments.
Server
HTTP listener behavior, request limits, canonical URLs, and shared logging controls.
| Setting | Summary | Default |
|---|---|---|
SERVER_PORT | HTTP listener port for the FUME backend service. | 42420 |
FUME_REQUEST_BODY_LIMIT | Maximum HTTP request body size accepted by the API server. | 400mb |
LOG_LEVEL | Global application logging verbosity. | info |
Evaluation
Evaluation thresholds, diagnostics collection, and validation policy.
| Setting | Summary | Default |
|---|---|---|
FUME_EVAL_THROW_LEVEL | Severity threshold that turns evaluation issues into thrown failures. | 30 |
FUME_EVAL_LOG_LEVEL | Severity threshold for per-evaluation policy logging. | 40 |
FUME_EVAL_DIAG_COLLECT_LEVEL | Severity threshold for collecting evaluation diagnostics. | 70 |
FUME_EVAL_VALIDATION_LEVEL | Severity threshold used for evaluation validation handling. | 30 |
FHIR
FHIR server connectivity, package loading, registry access, and terminology prerequisites.
| Setting | Summary | Default |
|---|---|---|
FHIR_SERVER_BASE | FHIR server base URL used for external source access. | - |
FHIR_SERVER_AUTH_TYPE | Authentication mode used when FUME connects to a FHIR server. | - |
FHIR_SERVER_UN | Username for FHIR server authentication when credentials are required. | - |
FHIR_SERVER_PW | Password for FHIR server authentication when credentials are required. | - |
FHIR_SERVER_TIMEOUT | Timeout in milliseconds for outbound FHIR server calls. | 30000 |
FHIR_VERSION | Default FHIR release used by runtime validation and transformation. | 4.0.1 |
FHIR_PACKAGES | FHIR implementation-guide packages loaded at startup. | - |
FHIR_PACKAGE_REGISTRY_URL | Optional private package-registry URL for FHIR package downloads. | - |
FHIR_PACKAGE_REGISTRY_TOKEN | Optional authentication token for a private FHIR package registry. | - |
FHIR_PACKAGE_CACHE_DIR | Overrides the default local cache location for downloaded FHIR packages. | - |
FHIR_CONNECTIONS_FILE | Path or inline base64 YAML source for named alternate FHIR server connections. | ./connections.yml |
FHIR_CONNECTIONS_URL_POOL_SIZE | Maximum number of cached inline URL-based FHIR client instances. | 10 |
Mappings
File-backed mappings, synchronization intervals, and writable-store behavior.
| Setting | Summary | Default |
|---|---|---|
MAPPINGS_FOLDER | Enables file-backed mappings and aliases when set to a folder path. | - |
MAPPINGS_FILE_EXTENSION | File extension used for file-backed mapping documents. | .fume |
MAPPINGS_FILE_POLLING_INTERVAL_MS | Polling interval for file-backed mapping change detection. | 5000 |
MAPPINGS_SERVER_POLLING_INTERVAL_MS | Polling interval for server-backed mapping synchronization. | 30000 |
MAPPINGS_FORCED_RESYNC_INTERVAL_MS | Forced full resynchronization interval for mapping sources. | 3600000 |
Performance
Caching limits and startup-time performance controls.
| Setting | Summary | Default |
|---|---|---|
FUME_COMPILED_EXPR_CACHE_MAX_ENTRIES | Maximum number of compiled expressions held in the internal cache. | 1000 |